No problem, we've got 5663 and 3186 to multiply
5663 × 3186 = 3186 × (5663)
+ 3186 × 3 which equals 9558
+ 3186 × 60 what gives us 191160
+ 3186 × 600 which equals 1911600
+ 3186 × 5000 giving us 15930000

= 18042318
